# -*- coding: utf-8 -*-
"""
# @Time    : 2021/1/12 下午5:11
# @Author  : tgy
"""
import socketserver

class Person:
    ...

    def __init__(self, name, age):
        self.name = name
        self.age = age


class Stu(Person):
    ...

    def __init__(self, name, age, score):
        # Person.__init__(self, name, age)
        super().__init__(name, age)
        self.score = score


if __name__ == '__main__':
    ...
    # stu = Stu('zhangsan', 21, 89.4)
    # print(stu.name)
    dic = {1,2,3}
    print(type(dic))